package com.example.zwl.service;

import com.example.zwl.pojo.student;

import java.util.Collection;

public interface Studentservice {
    //查询
    public Collection<student> yonhu();

    //添加
    public int addstu(student stu);
    //删除
    public int delete(Integer id);
    //编辑
    public int edit(student stu);
    //根据ID查找
    public student cha(Integer id);
}
